1b36595ffb350c8bec5be8894c5a43f0581864c0 - kernel/msm-4.19

commit	1b36595ffb350c8bec5be8894c5a43f0581864c0	[log] [tgz]
author	Chris Wilson <chris@chris-wilson.co.uk>	Tue Oct 04 21:11:31 2016 +0100
committer	Chris Wilson <chris@chris-wilson.co.uk>	Wed Oct 05 08:40:06 2016 +0100
tree	5a9198dabdae00c7be0cb4f2d5d8e88da0cf52f7
parent	cdb324bde5700725f04172bbeb6ef0bbbb6886c3 [diff]

drm/i915: Show RING registers through debugfs

Knowing where the RINGs are pointing is extremely useful in diagnosing
if the engines are executing the ringbuffers you expect - and igt may be
suppressing the usual method of looking in the GPU error state.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161004201132.21801-7-chris@chris-wilson.co.uk

drivers/gpu/drm/i915/i915_debugfs.c[diff]
drivers/gpu/drm/i915/intel_engine_cs.c[diff]
drivers/gpu/drm/i915/intel_ringbuffer.c[diff]
drivers/gpu/drm/i915/intel_ringbuffer.h[diff]

4 files changed

tree: 5a9198dabdae00c7be0cb4f2d5d8e88da0cf52f7